Home / 176,382,385.21-243,421,326.01-105,820,650.89

Finding the Fourth Proportional to 176,382,385.21, 243,421,326.01 and 105,820,650.89

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Solution

The fourth proportional to 176,382,385.21, 243,421,326.01 and 105,820,650.89 is: 146,040,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,382,385.21 : 243,421,326.01 = 105,820,650.89 : x
  2. Step 2: Convert to fraction form
    176,382,385.21/243,421,326.01 = 105,820,650.89/x
  3. Step 3: Cross multiply
    176,382,385.21x = 243,421,326.01 × 105,820,650.89
  4. Step 4: Simplify right side
    176,382,385.21x = 25,759,003,158,118,372
  5. Step 5: Solve for x
    x = 25,759,003,158,118,372/176,382,385.21
  6. Step 6: Final answer
    x = 146,040,678.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.